158300-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158300-83-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,3,0 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 158300-83:
(8*1)+(7*5)+(6*8)+(5*3)+(4*0)+(3*0)+(2*8)+(1*3)=125
125 % 10 = 5
So 158300-83-5 is a valid CAS Registry Number.